作者:Alexander V. Zabula、F. Ekkehardt Hahn、Tania Pape、Alexander Hepp
DOI:10.1021/om070054i
日期:2007.4.1
Bridged bis(benzimidazoline-2-germylene)s have been prepared in good yield by the reaction of N,N‘,N,‘ ‘N‘ ‘‘-tetralithiated tetraamines with GeCl2·1,4-dioxane or by the direct transamination reaction between tetraamines and Ge[N(SiMe3)2]2. Four bis(benzimidazoline-2-germylene)s with different bridging groups between the benzimidazoline-2-germylene groups have been shown by X-ray diffraction analysis
通过N,N ' ,N, '' N '''-四锂化四胺与GeCl 2 ·1,4-二恶烷的反应或通过直接转氨,可以高收率制备桥联双(苯并咪唑啉-2-锗)s。四胺与Ge [N(SiMe 3)2 ] 2的反应。X射线衍射分析表明,苯并咪唑啉-2-锗烯基之间具有不同桥联基团的四个双(苯并咪唑啉-2-锗烯)表现出不同类型的弱分子间相互作用,但没有明显的Ge···Ge相互作用。固态观察。在环境温度下,一种双亚锗烷在溶液中歧化,生成Ge(IV)螺环化合物和元素锗。亚苄基亚甲基可以用作螯合配位体,取代[Mo(nbd)(CO)4 ]中的降冰片二烯,形成[Mo(η2-双亚锗基)(CO)4 ]型复合物,已通过1 H NMR和振动光谱和X射线衍射分析。